DPMS Stops Shooting – Pyramyd Air Help Center

An issue impacting a minimal number of Crosman DPMS SBR Full-Auto BB Air Rifles is that the green seal is installed backward at the factory. At first, the gun will appear to work normally, but it will no longer operate once the CO2 pressure drops (usually after the first magazine is expended).

The good news is that this is a straightforward fix you can do at home, and to help, we have provided this quick tutorial video.

Video:

If you are still having trouble after watching this or do not feel comfortable doing it yourself, please reach out to Crosman directly by visiting https://www.crosman.com/support-contact or by calling 1-800-724-7486.